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new manufacturers installations collection restorations timeline identification publications glossary mailing list site map links about contact	ekco: large users know better Published in: Public Lighting Engineer Vol. 11, No. 41, April-June 1946 Published in: Public Lighting Engineer Vol. 11, No. 42, July-September 1946 Published in: Public Lighting Engineer Vol. 11, No. 43, October-December 1946